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<div class="title">TensorMeta.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (C) 2015 Benoit Steiner &lt;benoit.steiner.goog@gmail.com&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef EIGEN_CXX11_TENSOR_TENSOR_META_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define EIGEN_CXX11_TENSOR_TENSOR_META_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;./InternalHeaderCheck.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">template</span>&lt;<span class="keywordtype">bool</span> cond&gt; <span class="keyword">struct </span>Cond {};</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2&gt; EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">const</span> T1&amp; choose(Cond&lt;true&gt;, <span class="keyword">const</span> T1&amp; first, <span class="keyword">const</span> T2&amp;) {</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;  <span class="keywordflow">return</span> first;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;}</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2&gt; EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="keyword">const</span> T2&amp; choose(Cond&lt;false&gt;, <span class="keyword">const</span> T1&amp;, <span class="keyword">const</span> T2&amp; second) {</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;  <span class="keywordflow">return</span> second;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;}</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> X, <span class="keyword">typename</span> Y&gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;T divup(<span class="keyword">const</span> X x, <span class="keyword">const</span> Y y) {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;  <span class="comment">// Note: This form is used because it cannot overflow.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>T<span class="keyword">&gt;</span>(x == 0 ? 0 : (x - 1) / y + 1);</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;}</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;T divup(<span class="keyword">const</span> T x, <span class="keyword">const</span> T y) {</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <span class="comment">// Note: This form is used because it cannot overflow.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>T<span class="keyword">&gt;</span>(x == 0 ? 0 : (x - 1) / y + 1);</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;}</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">template</span> &lt;<span class="keywordtype">size_t</span> n&gt; <span class="keyword">struct </span>max_n_1 {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> size = n;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;};</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="keyword">template</span> &lt;&gt; <span class="keyword">struct </span>max_n_1&lt;0&gt; {</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> size = 1;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;};</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">// Default packet types</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> Device&gt;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">struct </span>PacketType : internal::packet_traits&lt;Scalar&gt; {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::packet_traits&lt;Scalar&gt;::type type;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;};</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">// For CUDA packet types when using a GpuDevice</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#if defined(EIGEN_USE_GPU) &amp;&amp; defined(EIGEN_HAS_GPU_FP16) &amp;&amp; defined(EIGEN_GPU_COMPILE_PHASE)</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">typedef</span> ulonglong2 Packet4h2;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keyword">struct </span>PacketType&lt;half, GpuDevice&gt; {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keyword">typedef</span> Packet4h2 type;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = 8;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    HasAdd    = 1,</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    HasSub    = 1,</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    HasMul    = 1,</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    HasNegate = 1,</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    HasAbs    = 1,</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    HasArg    = 0,</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    HasAbs2   = 0,</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    HasMin    = 1,</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    HasMax    = 1,</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    HasConj   = 0,</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    HasSetLinear = 0,</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    HasBlend  = 0,</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    HasDiv    = 1,</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    HasSqrt   = 1,</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    HasRsqrt  = 1,</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    HasExp    = 1,</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    HasExpm1  = 0,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    HasLog    = 1,</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    HasLog1p  = 0,</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    HasLog10  = 0,</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    HasPow    = 1,</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  };</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;};</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#if defined(EIGEN_USE_SYCL)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="keyword">namespace </span>TensorSycl {</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Index, Index A, Index B&gt; <span class="keyword">struct </span>PlusOp {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  <span class="keyword">static</span> constexpr <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> Value = A + B;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;};</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Index, Index A, Index B&gt; <span class="keyword">struct </span>DivOp {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="keyword">static</span> constexpr <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> Value = A / B;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;};</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> start, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <a class="codeRef" href="../group__Core__Module.html#ga0e45b6b2adead7c6a29815b99f9f14dd">end</a>, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> step,</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;          <span class="keyword">template</span> &lt;<span class="keyword">class </span>Indx, Indx...&gt; <span class="keyword">class </span>StepOp&gt;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">struct </span>static_for {</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> UnaryOperator&gt;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keyword">static</span> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE <span class="keywordtype">void</span> loop(UnaryOperator op) {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    op(start);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    static_for&lt;Index, StepOp&lt;Index, start, step&gt;::Value, <a class="codeRef" href="../group__Core__Module.html#ga0e45b6b2adead7c6a29815b99f9f14dd">end</a>, step,</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;               StepOp&gt;::loop(op);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  }</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;};</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> <a class="codeRef" href="../group__Core__Module.html#ga0e45b6b2adead7c6a29815b99f9f14dd">end</a>, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> step,</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;          <span class="keyword">template</span> &lt;<span class="keyword">class </span>Indx, Indx...&gt; <span class="keyword">class </span>StepOp&gt;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="keyword">struct </span>static_for&lt;<a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>, <a class="codeRef" href="../group__Core__Module.html#ga0e45b6b2adead7c6a29815b99f9f14dd">end</a>, <a class="codeRef" href="../group__Core__Module.html#ga0e45b6b2adead7c6a29815b99f9f14dd">end</a>, step, StepOp&gt; {</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> UnaryOperator&gt;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  <span class="keyword">static</span> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE <span class="keywordtype">void</span> loop(UnaryOperator) {}</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;};</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> OutScalar, <span class="keyword">typename</span> Device, <span class="keywordtype">bool</span> Vectorizable&gt;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">struct </span>Vectorise {</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> PacketSize = 1;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;  <span class="keyword">typedef</span> OutScalar PacketReturnType;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;};</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> OutScalar, <span class="keyword">typename</span> Device&gt;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="keyword">struct </span>Vectorise&lt;OutScalar, Device, true&gt; {</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> PacketSize = Eigen::PacketType&lt;OutScalar, Device&gt;::size;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Eigen::PacketType&lt;OutScalar, Device&gt;::type PacketReturnType;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;};</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="keyword">static</span> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> roundUp(<a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> x, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> y) {</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  <span class="keywordflow">return</span> ((((x) + (y)-1) / (y)) * (y));</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;}</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;} <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;} <span class="comment">// namespace TensorSycl</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="keyword">struct </span>PacketType&lt;half, SyclDevice&gt; {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <span class="keyword">typedef</span> half type;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = 1;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    HasAdd    = 0,</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    HasSub    = 0,</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    HasMul    = 0,</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    HasNegate = 0,</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    HasAbs    = 0,</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    HasArg    = 0,</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    HasAbs2   = 0,</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    HasMin    = 0,</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    HasMax    = 0,</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    HasConj   = 0,</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    HasSetLinear = 0,</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    HasBlend  = 0</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  };</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;};</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Scalar&gt;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">struct </span>PacketType&lt;Scalar, SyclDevice&gt; : internal::default_packet_traits {</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="keyword">typedef</span> Scalar type;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <span class="keyword">typedef</span> Scalar half;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    Vectorizable = 0,</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    size = 1,</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    AlignedOnScalar = 0,</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    HasHalfPacket = 0</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  };</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    HasAdd    = 0,</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    HasSub    = 0,</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    HasMul    = 0,</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    HasNegate = 0,</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    HasAbs    = 0,</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    HasAbs2   = 0,</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    HasMin    = 0,</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    HasMax    = 0,</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    HasConj   = 0,</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    HasSetLinear = 0</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  };</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;};</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Scalar&gt;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="keyword">struct </span>PacketType&lt;Scalar, const SyclDevice&gt; : PacketType&lt;Scalar, SyclDevice&gt;{};</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor">#ifndef EIGEN_DONT_VECTORIZE_SYCL</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor">#define PACKET_TYPE(CVQual, Type, val, lengths, DEV)\</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor">template&lt;&gt; struct PacketType&lt;CVQual Type, DEV&gt; : internal::sycl_packet_traits&lt;val, lengths&gt; \</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="preprocessor">{\</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor">  typedef typename internal::packet_traits&lt;Type&gt;::type type;\</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="preprocessor">  typedef typename internal::packet_traits&lt;Type&gt;::half half;\</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor">};</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;PACKET_TYPE(<span class="keyword">const</span>, <span class="keywordtype">float</span>, 1, 4, SyclDevice)</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;PACKET_TYPE(, <span class="keywordtype">float</span>, 1, 4, SyclDevice)</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;PACKET_TYPE(<span class="keyword">const</span>, <span class="keywordtype">float</span>, 1, 4, <span class="keyword">const</span> SyclDevice)</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;PACKET_TYPE(, <span class="keywordtype">float</span>, 1, 4, <span class="keyword">const</span> SyclDevice)</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;PACKET_TYPE(<span class="keyword">const</span>, <span class="keywordtype">double</span>, 0, 2, SyclDevice)</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;PACKET_TYPE(, <span class="keywordtype">double</span>, 0, 2, SyclDevice)</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;PACKET_TYPE(<span class="keyword">const</span>, <span class="keywordtype">double</span>, 0, 2, <span class="keyword">const</span> SyclDevice)</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;PACKET_TYPE(, <span class="keywordtype">double</span>, 0, 2, <span class="keyword">const</span> SyclDevice)</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor">#undef PACKET_TYPE</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="keyword">template</span>&lt;&gt; <span class="keyword">struct </span>PacketType&lt;half, const SyclDevice&gt;: PacketType&lt;half, SyclDevice&gt;{};</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="keyword">template</span>&lt;&gt; <span class="keyword">struct </span>PacketType&lt;const half, const SyclDevice&gt;: PacketType&lt;half, SyclDevice&gt;{};</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="comment">// Pair mimics std::pair but works on e.g. nvcc.</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span> V&gt; <span class="keyword">struct </span>Pair {</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  EIGEN_MAKE_ALIGNED_OPERATOR_NEW</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;  U first;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;  V second;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  <span class="keyword">typedef</span> U first_type;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="keyword">typedef</span> V second_type;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160; </div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  Pair() : first(), second() {}</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;  Pair(<span class="keyword">const</span> U&amp; f, <span class="keyword">const</span> V&amp; s) : first(f), second(s) {}</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160; </div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;  <span class="keywordtype">void</span> swap(Pair&amp; rhs) {</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="keyword">using</span> numext::swap;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    swap(first, rhs.first);</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    swap(second, rhs.second);</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;  }</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;};</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160; </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span> V&gt;</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> Pair&lt;U, V&gt;&amp; x, <span class="keyword">const</span> Pair&lt;U, V&gt;&amp; y) {</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;  <span class="keywordflow">return</span> (x.first == y.first &amp;&amp; x.second == y.second);</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;}</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span> V&gt;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> Pair&lt;U, V&gt;&amp; x, <span class="keyword">const</span> Pair&lt;U, V&gt;&amp; y) {</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  <span class="keywordflow">return</span> !(x == y);</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;}</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment">// Can&#39;t use std::pairs on cuda devices</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Idx&gt; <span class="keyword">struct </span>IndexPair {</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE IndexPair() : first(0), second(0) {}</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE IndexPair(Idx f, Idx s) : first(f), second(s) {}</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  EIGEN_DEVICE_FUNC <span class="keywordtype">void</span> set(IndexPair&lt;Idx&gt; val) {</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    first = val.first;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    second = val.second;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;  }</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;  Idx first;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;  Idx second;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;};</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160; </div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160; </div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> IndexType, <span class="keyword">typename</span> <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> First, <a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>... Is&gt;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  array&lt;<a class="codeRef" href="../namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a>, 1 + <span class="keyword">sizeof</span>...(Is)&gt; customIndices2Array(IndexType&amp; idx, numeric_list&lt;Index, First, Is...&gt;) {</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <span class="keywordflow">return</span> { idx[First], idx[Is]... };</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  }</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> IndexType, <span class="keyword">typename</span> Index&gt;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  array&lt;Index, 0&gt; customIndices2Array(IndexType&amp;, numeric_list&lt;Index&gt;) {</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="keywordflow">return</span> array&lt;Index, 0&gt;();</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;  }</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Index, std::<span class="keywordtype">size_t</span> NumIndices, <span class="keyword">typename</span> IndexType&gt;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;  EIGEN_CONSTEXPR EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  array&lt;Index, NumIndices&gt; customIndices2Array(IndexType&amp; idx) {</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    <span class="keywordflow">return</span> customIndices2Array(idx, <span class="keyword">typename</span> gen_numeric_list&lt;Index, NumIndices&gt;::type{});</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  }</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> B, <span class="keyword">typename</span> D&gt;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;  <span class="keyword">struct </span>is_base_of</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;  {</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160; </div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <span class="keyword">typedef</span> char (&amp;yes)[1];</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="keyword">typedef</span> char (&amp;no)[2];</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BB, <span class="keyword">typename</span> DD&gt;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="keyword">struct </span>Host</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    {</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;      <span class="keyword">operator</span> BB*() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;      <span class="keyword">operator</span> DD*();</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    };</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160; </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    <span class="keyword">static</span> yes check(D*, T);</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keyword">static</span> no check(B*, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160; </div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> value = <span class="keyword">sizeof</span>(check(Host&lt;B,D&gt;(), <span class="keywordtype">int</span>())) == <span class="keyword">sizeof</span>(yes);</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;  };</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;}</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160; </div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;}  <span class="comment">// namespace Eigen</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160; </div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor">#endif  </span><span class="comment">// EIGEN_CXX11_TENSOR_TENSOR_META_H</span></div>
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